ND meaning in Messaging ?

"No Diggity" is a 1996 song released by American R&B group Blackstreet as the first single for their second studio album Another Level featuring Dr. Dre and Queen Pen. The song reached number one on the Billboard Hot 100 and in New Zealand, and number nine in the United Kingdom. "No Diggity" ended "Macarena"'s 14-week reign atop the Billboard Hot 100. It ranked at number 91 on Rolling Stone and MTV: 100 Greatest Pop Songs. It sold 1.6 million copies in 1996, and won the 1998 Grammy Award for Best R&B Performance by a Duo or Group with Vocals and was nominated for Grammy Award for Best R&B Song. It ranked at #32 on VH1's 100 Greatest Songs of the '90s, #407 on Q Magazine's 1001 Best Songs Ever, #33 on Blender's Greatest Songs Since You Were Born in 2005 and #43 on NME's 100 Best Songs Of The 1990s. In the United Kingdom, the song climbed back into the top forty of the UK Singles Chart in March 2013, peaking at number thirty-eight 16 years after its original release there. It was the final Cash Box #1 hit.